import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded'
  },
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (store.getters.token) {
    // let each request carry token
    // ['X-Token'] is a custom headers key
    // config.headers['token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
	 * If you want to get http information such as headers or status
	 * Please return  response => response
	 */

  /**
	 * Determine the request status by custom code
	 * Here is just an example
	 * You can also judge the status by HTTP Status Code
	 */
  response => {
    const res = response.data
    if (res.status !== 1) {
      Message({
        message: res.msg || 'Error',
        type: 'error',
        duration: 2 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.status === 50008 || res.status === 50012 || res.status === 50014) {
        // to re-login
        MessageBox.confirm('您已注销，可以取消以停留在此页面，或重新登录',
          '确认注销', {
            confirmButtonText: '重新登录',
            cancelButtonText: '取消',
            type: 'warning'
          }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.msg || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.msg,
      type: 'error',
      duration: 2 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
